Fig. 4: ARAF is downregulated in CTBs of RM tissues.

a Western blot of ARAF in villous tissues. b Relative expression levels of the proteins in (a). c Representative images of IHC staining of ARAF in 30 HCs and 25 RM samples (scale bar = 100 μm). d The percentage of ARAF-positive IHC cases. e ARAF IHC scores. f Double IF staining of ARAF (red) and CK7 (green) in villous tissues. Magnification × 200, scale bar = 50 μm). ***P < 0.001